Winter roost box for bats - has outer walls more than 40 mm thick and detachable base

摘要

The bat box, made of wood or wood-concrete, has all the external walls more than 40 mm thick. This allows maintainance of habitable conditions. There is an inlet tube for the box, which has a detachable bottom panel. USE/ADVANTAGE - The bat box has good wall insulation and creates an optimum winter roost.